ML20078B589

Monthly Operating Rept for Sept 1994 for Grand Gulf Nuclear Station,Unit 1

ML20078B589
Person / Time
Site:	Grand Gulf
Issue date:	09/30/1994
From:	Hutchinson C, Lin S ENTERGY OPERATIONS, INC.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
GNRO-94-00125, GNRO-94-125, NUDOCS 9410260129
Download: ML20078B589 (5)

Text

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October 14, 1994 m: w-v %

U.S. Nuclear Regulatory Commission Mail Station P1-137 Washington, D.C. 20555 Attention:

Document Control Desk

SUBJECT:

Grand Gulf Nuclear Station Unit 1 Docket No. 50-416 License No. NPF-29 Monthly Operating Report GNRO-94/00125 Gentlemen:

In accordance with the requirement of Technical Specification 6.9.1.10, Entergy Operations is providing the Monthly Operating Report for Grand Gulf Nuclear Station Unit 1 for September 1994, if you have any questions or require additional information, please contact this office.

You truly, HgMC ents:

1.

Operating Status 2.

Average Daily Power Level 3.

Unit Shutdown and Power Reductions cc:

(See Next Page)

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9410260129 940930 PDR ADOCK 05000416 k i R

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Octobe.r 14, 1994 GNRO-94/00125 Page 2 of 3 l

cc:

Mr. R. H. Bembard (w/a)

Mr. D. C. Hintz (w/a)

Mr. R. B. McGehee (w/a)

Mr. N. S. Reynolds (w/a)

Mr. H. L. Thomas (w/o)

Mr. Stewart D. Ebneter (w/a)

Regional Administrator U.S. Nuclear Regulatory Commission Region li 101 Marietta St., N.W., Suite 2900 Atlanta, Georgia 30323 Mr. P. W. O'Connor, Project Manager i

Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Mail Stop 13H3 i

Washington, D.C. 20555

_ - - _ _ _ to GNRO-94/00125 DOCKET NO 50-416 DATE 10/06/94 COMPLETED BY S. D. Lin TELEPHONE (601) 437-6793 OPERATING STATUS 1.

Unit Name: GGNS UNIT 1 2.

Reporting Period: Seotember 1994 3.

Licensed Thermal Power (MWt): 3833 MWT 4.

Nameplate Rating (Gross MWe): 1372.5 MWE 5.

Design Electrical Rating (Net MWe): 1250 MWE 6.

Maximum Dependable Capacity (Gross MWe): 1190 MWE 7.

Maximum Dependable Capacity (Net MWe): 1143 MWE 8.

If changes occur in Capacity Ratings (items 3 through 7) Since Last Report. Give Reason:

N/A 9.

Power Level To Which Restricted, If Any (Net MWe):

N/A

10. Reasons For Restrictions, If Any:

N/A j

This Month Yr to Date Cumulative

11. Hours in Reporting Period 720 6.551 87.207

12. Number of Hours Reactorwas Critical 720.0 6.284.7 70.971.4

13. Reactor Reserve Shutdown Hours 0

0 0

14. Hours Generator On-Line 675.8 6.123.2 68.183.1

15. Unit Reserve Shutdown Hours 0

0 0

16. Gross Thermal Energy Generated (MWH) 2.495.629 22.826.762 240.644.333

17. Gross Electrical Energy Generated (MWH) 791.700 7.350,243 76.657.747

18. Net Electrical Energy Generated (MWH) 759.082 7.056.918 73.428.305

19. Unit Service Factor 93.9 93.5 80.3

20. Unit Availability Factor 93.9 93.5 80.3

21. Unit Capacity Factor (Using MDC Net) 92.2 94.3 77.7

22. Unit Capacity Factor (Using DER Net) 84.3 86.2 70.6

23. Unit Forced Outage Rate 6.1 6.5 6.6

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

25. If Shut Down At End of Report Period. Estimated Date of Startup:

26. Units in Test Status (Prior to Commercial Operation).

Forecast Achieved INITIAL CRITICALITY 08/18/82 INITIAL ELECTRICITY 10/20/84 COMMERCIAL OPERATION 07/01/85

I

', to GNRO-94/00125 DOCKET NO 50-416 DATE 10/06/94 COMPLETED BY S.D.Lin TELEPHONE (601) 437-6793 1

MONTH September 1994

)

l DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL j

(MWe-Net)

(MWe-Net) l 1

0 17 1175

(

2 421 18 1183 3

1144 19 1187 4

1086 20 1182 5

1164 21 1183 6

1141 22 1180 7

1164 23 1197 8

1171 24 1127 9

1172 25 1198 10 1159 26 1188 11 137 27 1180 12 774 28 1179 13 1144 29 1175 14 1128 30 1178 15 1177 31 N/A 16 1135

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.. u 1 to GNRO-94/00s25-UNIT SIIUTDOWNS AND POWER REDUCTIONS t

l l

DOCKET NO.

50-416 l

UNIT NAME GGNS Unit 1 DATE 10/06/94 COMPLETED BY S. D. Lin TELEPilONE (6011437-6793 REPORT MONTH September 1994 No.

Date Type (1)

Duratiort Reason Method Of Licensee System Code Component Cause & Corrective Action To Hours (2)

Shutting Event Report #

(4)

Code Prevent Recurrence (C&CA)

Dowr. Reactor (5)

(3)94-007 940824 F

28.7 A

4 NA NA NA Reactor remained shut down for work on main generator coohng water pipes to obtain generator balance.

94 008 940911 F

0 A

6 NA NA NA Reactor power reduced to approximately 10% to take main generator offline for repairing ground-r'ault detection wiring damaged by fallen lighting fixture.

I 2

3 4

5 F: Forced Reason:

Method:

Exlubit G - Instructions for Preparation of Exhibit 1 - Same Source S: Scheduled A-Equipment Failure (Explain) 1-Manual Data Entry Sheets for Licensee Event B-Maintenance or Test 2-Manual Scram Report (LER) File (NUREG-0161)

C-Refueling 3-Automatic Scram D-Regulatory Restriction 4-Continced E-Operator Training &

5-Reduced load Licensing Examination 6-Other F-Administrative G-Operational Error (Explain)

H-Other (Explain)

-.